see Poland Street 1 to 9 & 49 to 62 in London Addresses dataset
William Lane gem engraver 59 Poland St 1789 (Royal Academy) DNB 1746-1819 / Richard Lane ratebooks 50 Poland St 1792-5 57 Poland St 1795 / Richard Lane bur 25.4.1797 St James / will PCC 1770 of Richard Lane wine merchant of St James mentioned brothers Joseph & William Lane